package chapter02;

import java.util.Scanner;

public class supermarket {
    public static void  main (String[] args) {
        double toothbrush=8.8;   //牙刷价格
        double towel=10.0;        //毛巾价格
        double cup=18.8; 		    //水杯价格
        double apple=12.5;        //苹果价格
        double banana=15.5;       //香蕉价格
        //TODO:定义五个商品价格
        //TODO:输出商品目录
        int i=0;
        String a="Y";
        System.out.println("-------------黑马小商城-------------");
        System.out.println("1.牙刷的价格为："+toothbrush+"元");
        System.out.println("2.毛巾的价格为："+towel+"元");
        System.out.println("3.水杯的价格为："+cup+"元");
        System.out.println("4.苹果的价格为："+apple+"元");
        System.out.println("5.香蕉的价格为："+banana+"元");
        while(a.equals("Y")) {
            Scanner sc1 = new Scanner(System.in);
            System.out.println("请输入你需要购买商品的序列号：");
            i=sc1.nextInt();
            switch(i){
                case 1:
                    System.out.println("请输入您需要购买的牙刷数量：");
                    int toothbrushnnumber = sc1.nextInt();
                    double toothbrushnnum=toothbrushnnumber*toothbrush;
                    System.out.println("购买了牙刷"+toothbrushnnumber+"支，需要花费"+ toothbrushnnum);
                    a=sc1.next();
                    break;
                 case 2:
                     System.out.println("请输入你需要购买毛巾的数量:");
                     int towelnumber=sc1.nextInt();
                     double towelnum=towelnumber*towel;
                     System.out.println("你购买了毛巾"+towelnumber+"个，需要花费"+towelnum+"元");
                     System.out.println("需要继续购买请输入Y，否则输入N");
                     a=sc1.next();
                     break;
                case 3:
                    System.out.println("请输入你需要购买水杯的数量:");
                    int cupnumber=sc1.nextInt();
                    double cupnum=cupnumber*cup;
                    System.out.println("你购买了水杯"+cupnumber+"个，需要花费"+cupnum+"元");
                    System.out.println("需要继续购买请输入Y，否则输入N");
                    a=sc1.next();
                    break;
                 case 4:
                     System.out.println("请输入你需要购买苹果的数量:");
                     int applenumber=sc1.nextInt();
                     double applenum=applenumber*apple;
                     System.out.println("你购买了苹果"+applenumber+"斤，需要花费"+applenum+"元");
                     System.out.println("需要继续购买请输入Y，否则输入N");
                     a=sc1.next();
                     break;
                  case 5:
                      System.out.println("请输入你需要购买香蕉的数量:");
                      int banananumber=sc1.nextInt();
                      double banananum=banananumber*banana;
                      System.out.println("你购买了香蕉"+banananumber+"斤，需要花费"+banananum+"元");
                      System.out.println("需要继续购买请输入Y，否则输入N");
                      a=sc1.next();
                      break;
            }
        }
        System.out.println("期待您的下次光临！");
    }
 }
